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Pectoral — Pec to*ral (p[e^]k t[ o]*ral), a. [L. pectoralis, fr. pectus, oris the breast; cf. F. pectoral.] 1. Of or pertaining to the breast, or chest; as, the pectoral muscles. [1913 Webster] 2. Relating to, or good for, diseases of the chest or lungs; as … The Collaborative International Dictionary of English

pectoral fin — UK / US noun [countable] Word forms pectoral fin : singular pectoral fin plural pectoral fins biology a fin on each side of a fish just behind its head that controls the direction it moves in … English dictionary

Pectoral — Pectoral, from the Latin pectoralis (plural pectorales ), pertaining to the breast/chest , can refer to:* Pectoral cross, a cross worn on the chest * a decorative, usually jeweled version of a gorget * Pectoralis major muscle * Pectoralis minor… … Wikipedia

pectoral fin — n. either of a pair of fins, associated with the pectoral girdle, just behind the head of a fish, corresponding to the forelimbs of a higher vertebrate: see FISH … English World dictionary